NL57283C - - Google Patents

Info

Publication number
NL57283C
NL57283C NL92293A NL92293A NL57283C NL 57283 C NL57283 C NL 57283C NL 92293 A NL92293 A NL 92293A NL 92293 A NL92293 A NL 92293A NL 57283 C NL57283 C NL 57283C
Authority
NL
Netherlands
Application number
NL92293A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of NL57283C publication Critical patent/NL57283C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/143—Permanent magnetic lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Beam Exposure (AREA)
  • Electron Sources, Ion Sources (AREA)
NL92293A 1938-03-08 1939-03-07 NL57283C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES6773D DE973258C (de) 1938-03-08 1938-03-08 Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen

Publications (1)

Publication Number Publication Date
NL57283C true NL57283C (en:Method) 1946-04-15

Family

ID=7994279

Family Applications (1)

Application Number Title Priority Date Filing Date
NL92293A NL57283C (en:Method) 1938-03-08 1939-03-07

Country Status (5)

Country Link
US (1) US2305761A (en:Method)
BE (1) BE433010A (en:Method)
DE (1) DE973258C (en:Method)
FR (1) FR850878A (en:Method)
NL (1) NL57283C (en:Method)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733364A (en) * 1956-01-31 flory
NL89013C (en:Method) * 1944-05-31
US2455676A (en) * 1946-05-21 1948-12-07 Rca Corp Electron lens correction device
US2503173A (en) * 1946-10-18 1950-04-04 Rca Corp Permanent magnetic electron lens system
NL148036B (nl) * 1948-08-10 Ugine Kuhlmann Werkwijze voor het bereiden van vinylfluoride uit ethyn en fluorwaterstof.
NL92251C (en:Method) * 1948-10-01
NL147885B (nl) * 1949-02-24 Matsushita Electric Industrial Co Ltd Droge cel.
US2579273A (en) * 1949-05-21 1951-12-18 Rca Corp Magnetic lens for electron optical systems
US2533687A (en) * 1949-05-27 1950-12-12 Quam Nichols Company Magnetic focusing device
US2533688A (en) * 1950-01-31 1950-12-12 Quam Nichols Company Focusing device
US2533689A (en) * 1950-06-28 1950-12-12 Quam Nichols Company Magnetic focusing device
NL94737C (en:Method) * 1950-08-29
US2627589A (en) * 1950-10-30 1953-02-03 Rca Corp Focusing of electron optical apparatus
US2640868A (en) * 1950-11-04 1953-06-02 All Star Products Inc Magnetic focusing device for cathode-ray tubes
US2592185A (en) * 1950-12-09 1952-04-08 Quam Nichols Company Focusing device
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
US2681421A (en) * 1952-03-04 1954-06-15 Gen Electric Magnetic focusing structure for electron beams
US2664514A (en) * 1952-03-10 1953-12-29 All Star Products Inc Magnetic focusing mechanism
DE1114944B (de) * 1952-06-13 1961-10-12 Siemens Ag Anordnung zur gebuendelten Fuehrung eines Elektronenstrahles
NL87649C (en:Method) * 1953-03-18
US2858443A (en) * 1954-09-15 1958-10-28 Hitachi Ltd Permanent magnet lens and lens system
NL200488A (en:Method) * 1954-09-22
DE1010057B (de) * 1954-09-24 1957-06-13 Ruetgerswerke Ag Verfahren zur Regelung von durch Bruedenausnutzung beheizten hintereinandergeschalteten Rektifizierkolonnen
BE551462A (en:Method) * 1955-10-04
DE1156522B (de) * 1962-09-25 1963-10-31 Heraeus Gmbh W C Elektronenlinsenanordnung fuer Elektronenstrahlschmelz- oder -verdampfungsanlagen
US3387241A (en) * 1966-10-11 1968-06-04 Centre Nat Rech Scient Permanent magnet multipole magnetic lens with variable convergence
CH485317A (de) * 1968-06-27 1970-01-31 Bbc Brown Boveri & Cie Elektromagnetische Linse für Strahlen schneller Elektronen
JPS6091544A (ja) * 1983-10-24 1985-05-22 Anelva Corp オ−ジエ分析装置
US6573817B2 (en) 2001-03-30 2003-06-03 Sti Optronics, Inc. Variable-strength multipole beamline magnet
EP2827357A1 (en) * 2013-07-18 2015-01-21 Fei Company Magnetic lens for focusing a beam of charged particles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE720927C (de) * 1937-02-25 1942-05-19 Telefunken Gmbh Magnetische Elektronenlinse

Also Published As

Publication number Publication date
BE433010A (en:Method) 1939-04-29
DE973258C (de) 1959-12-31
FR850878A (fr) 1939-12-28
US2305761A (en) 1942-12-22

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